Showing posts with label concrete. Show all posts
Showing posts with label concrete. Show all posts
Sunday, September 9, 2012
Wednesday, September 5, 2012
Tuesday, September 4, 2012
история за лаборатория (1)
Етикети:
asphalt,
b/w,
concrete,
Kiev 6C,
laboratory,
Orwo NP22,
soil mechanics
place:
Момчилград, България
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